package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args)  {
        try (Connection connection= DBUtil.getConnection()){
            Statement statement=connection.createStatement();
            String sql="UPDATE userinfo "+
                       " SET password='88888888' "+
                       " WHERE username='王克晶' ";
            int num= statement.executeUpdate(sql);
            if (num>0){
                System.out.println("修改成功！");
            }else{
                System.out.println("修改失败！");
            }
            connection.close();
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
